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Re: WSI Radar "Mosaics"
- Subject: Re: WSI Radar "Mosaics"
- Date: Mon, 22 Apr 2002 09:37:22 -0600 (MDT)
On Sat, 20 Apr 2002, David Ahijevych wrote:
> Robb,
>
> I got the files you prepared on motherlode, no problem.
> But I probably wasn't clear on the type of radar data I needed since my
> decoder doesn't work on these files. I know WSI has different products in
> the LDM stream, and I have a feeling that these may be a type I
> don't use.
>
> I need the "NOWrad Master Sector" .
>
> An octal dump reveals a different description for the motherlode files.
>
> 0000000 \0 ð \t 025 N A 2 2 : 3 0 U
> 0000020 S R A D H D 025 \0 ð \n 4 8 0
> 0000040 7 6 8 \0 ð 003 U S R A D H i g
> 0000060 h D e f . S e c t o r 2 2 :
> 0000100 3 0 0 8 - A p r - 0 2
>
>
> I see "USRAD High Def. Sector" in the character dump. Is it possible that
> these are a different type than the NOWrad ones I need? Do you have a
> different stream of the "NOWrad" variety?
>
> Dave
Dave,
The NOW are under the 8km and 2km dir structure, the MASTER ones are under
the 2km dir, I gave you the 8km ones. I'll populate the ftp upload dir
with the files that are available.
Robb...
0000000 \0 360 \t 025 N A 2 3 : 4 5 N
0000020 O W R A D H D 025 \0 360 \n 1 8 3
0000040 7 3 6 6 1 \0 360 003 N O W r a d
0000060 M a s t e r S e c t o r 2 3 :
0000100 4 5 1 6 - A p r - 0 2
0000120
>
>
> David Ahijevych
> Mesoscale and Microscale Meteorology Division
> National Center for Atmospheric Research
> (303)497-8922 (office)
>
> On Fri, 19 Apr 2002, Robb Kambic wrote:
>
> > Dave,
> >
> > I put the data in a ftp on motherlode, let me know when you got it.
> > I was trying to put together a getdata cgi-bin script to have your get the
> > data but all the data is outside the ftp tree. So I put the data in the
> > ftp structure in a dir called upload. To access:
> >
> > % ftp motherlode.ucar.edu
> > user unidata pw lotzodata
> > % cd upload
> > % mget *
> >
> > This is all the data that was available fro times specified.
> > A
> > Hope this helps,
> > Robb...
> >
> >
> >
> > On Wed, 17 Apr 2002, David Ahijevych wrote:
> >
> > > Robb, Here's the specific 2002 dates/times for the days you have:
> > >
> > > 20020404 0015, 2300, 2315, 2330, 2345
> > > 20020408 2045, 2215, 2230, 2245
> > > 20020413 1945
> > > 20020416 1815, 1830, 1845, 1900
> > >
> > > Thanks for your help,
> > > dave
> > >
> > > David Ahijevych
> > > Mesoscale and Microscale Meteorology Division
> > > National Center for Atmospheric Research
> > > (303)497-8922 (office)
> > >
> > > On Wed, 17 Apr 2002, Robb Kambic wrote:
> > >
> > > > On Wed, 17 Apr 2002, David Ahijevych wrote:
> > > >
> > > > > Robb,
> > > > >
> > > > > Any chance of getting 1815-1900Z wsi NOWRAD MASTER15 products from
> > > > > 20020416? We didn't get them through the LDM.
> > > > >
> > > > > There seems to be an increase in missing files the last couple weeks.
> > > > > March had virtually no missing files (96 per day), but April got
> > > > > worse....
> > > >
> > > > David,
> > > >
> > > > I have some of the files you need, dates are:
> > > >
> > > > 4/4, 4/8, and 4/13. Others are missing or expired.
> > > >
> > > > Let me know the exact times for the above dates.
> > > >
> > > > Robb...
> > > >
> > > > >
> > > > > date missing
> > > > > ---------------------
> > > > > 20020401 0
> > > > > 20020402 1
> > > > > 20020403 0
> > > > > 20020404 5
> > > > > 20020405 0
> > > > > 20020406 0
> > > > > 20020407 0
> > > > > 20020408 4
> > > > > 20020409 0
> > > > > 20020410 0
> > > > > 20020411 0
> > > > > 20020412 0
> > > > > 20020413 1
> > > > > 20020414 0
> > > > > 20020415 1
> > > > > 20020416 4
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Dave
> > > > >
> > > > >
> > > > > David Ahijevych
> > > > > Mesoscale and Microscale Meteorology Division
> > > > > National Center for Atmospheric Research
> > > > > (303)497-8922 (office)
> > > > >
> > > > > On Thu, 29 Nov 2001, Robb Kambic wrote:
> > > > >
> > > > > > On Thu, 29 Nov 2001, Richard Chinman wrote:
> > > > > >
> > > > > > > David Ahijevych wrote:
> > > > > > >
> > > > > > > > Richard (Chinman),
> > > > > > > >
> > > > > > > > Thanks for answering my question about the WSI contract. And
> > > > > > > > for the
> > > > > > > > updated info about the other UCAR groups' interest.
> > > > > > > >
> > > > > > > > I need to discuss this with Rit again, but we are still
> > > > > > > > debating about WSI
> > > > > > > > NOWrad products for 2002. I was concerned about MMM's
> > > > > > > > acquisition rate
> > > > > > > > and the sometimes convoluted steps I took to acquire the
> > > > > > > > products...
> > > > > >
> > > > > >
> > > > > > Dave,
> > > > > >
> > > > > > If you can set up an LDM on one of your machines, then the products
> > > > > > can be
> > > > > > sent directly to it. Also since we are only receiving the
> > > > > > composites, I
> > > > > > could store maybe a day or two of the data on the ingest machine as
> > > > > > a
> > > > > > backup. It seems that your product gathering is more critical then
> > > > > > the
> > > > > > others divisions that are receiving the data so I willing to work
> > > > > > with
> > > > > > you this issue.
> > > > > >
> > > > > > Robb...
> > > > > >
> > > > > > > > I was able to get a very complete set of products from Marshall
> > > > > > > > Space
> > > > > > > > Flight Center's archive with little difficulty, compared to our
> > > > > > > > Unidata
> > > > > > > > feed. This may be due to technical factors, and/or my own
> > > > > > > > errors in
> > > > > > > > downloading the products.
> > > > > > >
> > > > > > > Dave,
> > > > > > >
> > > > > > > That it is easier to get these data (products) easier from MSFC
> > > > > > > than from the
> > > > > > > Unidata feed is troubling. I wonder if the feed from WSI to MSFC
> > > > > > > is any
> > > > > > > different than the feed from WSI to Unidata. I suppose that what
> > > > > > > MSFC does
> > > > > > > with the data is different, and optimized to produce the products
> > > > > > > you've come
> > > > > > > to expect. Maybe MSFC is willing to share their procedures. In
> > > > > > > any case,
> > > > > > > please talk with Robb Kambic about technical factors that may be
> > > > > > > affecting
> > > > > > > your access.
> > > > > > >
> > > > > > > Richard
> > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > During the year, I downloaded the NOWrad products in real-time
> > > > > > > > from two
> > > > > > > > places: MMM's LDM node, and a RAP anonymous FTP site. RAP's
> > > > > > > > FTP site
> > > > > > > > often had empty files in their product list, so MMM's LDM node
> > > > > > > > became my
> > > > > > > > primary source. (I had already mentioned this earlier to Celia
> > > > > > > > at RAP).
> > > > > > > > In another case, several missing NOWrad products were acquired
> > > > > > > > at a later
> > > > > > > > time after you specifically requested them from WSI. (Although
> > > > > > > > I never
> > > > > > > > figured out how to read those differently-formatted files.)
> > > > > > > > Instead of
> > > > > > > > pursuing this, I ended up just using the MSFC archive. It
> > > > > > > > seems to fill
> > > > > > > > in our data gaps fairly well.
> > > > > > > >
> > > > > > > > In the end, although I have a fairly complete collection of
> > > > > > > > NOWrad
> > > > > > > > products due to our contractual agreement with WSI, I used the
> > > > > > > > MSFC
> > > > > > > > collection for our research.
> > > > > > > >
> > > > > > > > But things are not simple. Will we have MSFC's archive in
> > > > > > > > 2002? That is
> > > > > > > > something Rit, MSFC, are still discussing.
> > > > > > > >
> > > > > > > > I will let you know as soon as possible what we decide about
> > > > > > > > UCAR's
> > > > > > > > feed--hopefully today.
> > > > > > > >
> > > > > > > > Sincerely,
> > > > > > > > Dave
> > > > > > > >
> > > > > > > > David Ahijevych
> > > > > > > > Mesoscale and Microscale Meteorology Division
> > > > > > > > National Center for Atmospheric Research
> > > > > > > > (303)497-8922 (office)
> > > > > > >
> > > > > > >
> > > > > >
> > > > > > ===============================================================================
> > > > > > Robb Kambic Unidata Program Center
> > > > > > Software Engineer III Univ. Corp for
> > > > > > Atmospheric Research
> > > > > > address@hidden WWW: http://www.unidata.ucar.edu/
> > > > > > ===============================================================================
> > > > > >
> > > > >
> > > > >
> > > >
> > > > ===============================================================================
> > > > Robb Kambic Unidata Program Center
> > > > Software Engineer III Univ. Corp for Atmospheric
> > > > Research
> > > > address@hidden WWW: http://www.unidata.ucar.edu/
> > > > ===============================================================================
> > > >
> > >
> > >
> >
> > ===============================================================================
> > Robb Kambic Unidata Program Center
> > Software Engineer III Univ. Corp for Atmospheric
> > Research
> > address@hidden WWW: http://www.unidata.ucar.edu/
> > ===============================================================================
> >
>
>
===============================================================================
Robb Kambic Unidata Program Center
Software Engineer III Univ. Corp for Atmospheric Research
address@hidden WWW: http://www.unidata.ucar.edu/
===============================================================================